Isaac p



106. COMPOSH'lONS,

COATlNG OR PLASTlC IsAAo P. WENDELL, 0 PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO CHARLES P. TASKER, OF'SAME PLACE.

COMPOSITION OF MATTER FOR THE MANUFACTURE OFVAXLE-BEARINGS, &c.

SPECIFICATION forming part of Letters Patent No. 325,882, dated September 8, 1885,

Application filed February 14.1885. (No specimens.) 5' L I l 3 To all whom it may concern:

Be it known that I, IsAAo P. WENDELL, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have in ented a new and useful Composition of Matter, of which the followingis a specification.

The object of my invention is to provide an inexpensive material having the proper hardness and durability for the manufacture of axle or journal bearings, packings for pistons, and like articles.

My infvention consists in a compound coinposed 0 asbestus, or soa stone and sili- I5 cate of soda. The asbestus liaving first been e uce o a condition of fiber or powder and the tale to a condition of powder, these substances are well mixed with liquid silicate of soda, molded into the desired form, and dried 20 by artificiafor natural heat.

Cross Reference PATENT OFFICE.

The proportions of the materials above named which I have found to produce a good article are, one poundpfasb es tps, one pound of talc, and two pounds of ii uid silicate of soda, -dithe corresponding amount 0 crysa ze F25 silicate of soda or the corresponding amoutn of other equivalent indurating plate rial. These proportions, however, Tnay be varied without departing from my invention.

Having thus described my invention, claim- A composition of matter consisting of asbestus, talc or soapstone, and silicate of soda, substantially as above set forth.

In testimony whereof I havehereunto signed 3 5 my name this 3d day of February, A. D. 1885.

ISAAC P. WENDELL.

In presence of- WM. 0. STRAWBRIDGE,

J. BoNsALL TAYLOR. 

